LONG-TERM OBLIGATIONS - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Principal amount	$ 446.1	$ 449.6
Deferred debt issuance costs	(4.3)	(4.5)
Long-term obligations, including current portion	441.8	445.1
Current portion of long-term obligations	(12.3)	(13.0)
Long-term obligations, less current portion	429.5	432.1
Term Loan [Member] \| Four Hundred Fifty Million Term Loan Facility
Debt Instrument [Line Items]
Principal amount	444.4	447.2
Revolving Credit Facility [Member] \| Five Hundred Fifty Million Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal amount	0.0	0.0
Promissory Notes [Member]
Debt Instrument [Line Items]
Principal amount	0.2	0.8
Finance leases [Member]
Debt Instrument [Line Items]
Principal amount	$ 1.5	$ 1.6

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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